1.1: Well, I haven't ever heard of that, but it sounds pretty nice! Quite simple, but very pleasant.
Honestly, I want to keep listening instead of moving on to the next pick. xD I'll add it to my Watch Later, I think I'll want to add this to my music collection when I can access it again.
1.2: I've heard a lot about Touhou music, but I haven't heard a lot
of Touhou music.
This one is a bit too busy for my liking, but that does fit the games, I suppose.
(the Touhou games I've seen were of the bullet hell genre)
1.3: Yeah, the older you are, the harder this is going to be.
This is hardly notable, indeed.